<template>
    <div>
      <!-- 面包屑导航区域 -->
      <el-breadcrumb separator-class="el-icon-arrow-right">
        <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
        <el-breadcrumb-item>基础设置</el-breadcrumb-item>
        <el-breadcrumb-item>公告管理</el-breadcrumb-item>
      </el-breadcrumb>
  
      <!-- 卡片视图区域 -->
      <el-card>
        <!-- 搜索与添加区域 -->
        <el-row :gutter="20">
          <!-- <el-col :span="8">
            <el-input placeholder="请输入用户名(如：admin)" v-model="searchQuery" clearable @clear="getUserList()">
              <el-button slot="append" icon="el-icon-search" @click="getUserSearch"></el-button>
            </el-input>
          </el-col> -->
          <el-col :span="4">
            <el-button type="primary" @click="addDialogVisible = true">发布公告</el-button>
          </el-col>
        </el-row>
  
        <!-- 用户列表区域 -->
        <el-table :data="userlist" border stripe>
          <el-table-column type="index"></el-table-column>      
          <el-table-column label="公告" prop="word"></el-table-column>
          <el-table-column label="时间" prop="shijian"></el-table-column>
          <el-table-column label="操作" width="180px">
            <template slot-scope="scope">
              <!-- 修改按钮 -->
              <el-button type="primary" icon="el-icon-edit" size="mini" @click="showEditDialog(scope.row)"></el-button>
              <!-- 删除按钮 -->
              <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeUserById(scope.row.word_id)"></el-button>
            </template>
          </el-table-column>
        </el-table>
      </el-card>
  
      <!-- 添加用户的对话框 -->
      <el-dialog title="发布公告" :visible.sync="addDialogVisible" width="50%" @close="addDialogClosed">
        <!-- 内容主体区域 -->
        <el-form :model="addForm" ref="addFormRef" label-width="70px">
          <el-form-item label="公告内容">
            <el-input v-model="addForm.word"></el-input>
          </el-form-item>
          <el-form-item label="时间">
            <el-date-picker v-model="addForm.shijian"
            type="datetime"
            value-format="yyyy-MM-dd HH:mm:ss"
            placeholder="选择日期时间"      
            ></el-date-picker>

          </el-form-item>
        </el-form>
        <!-- 底部区域 -->
        <span slot="footer" class="dialog-footer">
          <el-button @click="addDialogVisible = false">取 消</el-button>
          <el-button type="primary" @click="addUser">确 定</el-button>
        </span>
      </el-dialog>
  
      <!-- 修改用户的对话框 -->
      <el-dialog title="修改公告" :visible.sync="editDialogVisible" width="50%" @close="editDialogClosed">
        <el-form :model="editForm" ref="editFormRef" label-width="70px">  
          <el-form-item label="公告内容" prop="mobile">
            <el-input v-model="editForm.word"></el-input>
          </el-form-item>
          <el-form-item label="时间">
            <el-input v-model="editForm.shijian" disabled></el-input>
          </el-form-item>
        </el-form>
        <span slot="footer" class="dialog-footer">
          <el-button @click="editDialogVisible = false">取 消</el-button>
          <el-button type="primary" @click="editUserInfo">确 定</el-button>
        </span>
      </el-dialog>
    </div>
  </template>
  
  <script>
  export default {
    data() {
      return {
        searchQuery:"",  // 搜索
        userlist: [],
        // 控制添加用户对话框的显示与隐藏
        addDialogVisible: false,
        // 添加用户的表单数据
        addForm: {
          user:'',  
          word: '', 
        },
        // 控制修改用户对话框的显示与隐藏
        editDialogVisible: false,
        // 查询到的用户信息对象
        editForm: {},
        // 控制分配角色对话框的显示与隐藏
        setRoleDialogVisible: false,
      }
    },
    created() {
      this.getUserList()
    },
    methods: {
      async getUserList() {
          const { data: res } = await this.$http.get('getAllWord');
        this.userlist = res.list
        console.log(res.list)
      },
   
      // 监听添加用户对话框的关闭事件
      addDialogClosed() {
        this.$refs.addFormRef.resetFields()
      },
      // 点击按钮，添加新用户
      async addUser() {
          // 可以发起添加用户的网络请求
          const { data: res } = await this.$http.get('addWord', {params:this.addForm})
          console.log(res)
          // if (res) {
          //   this.$message.error('添加用户失败！')
          // }
          if(res.code==200){
            this.$message.success('添加公告成功！')
          }else if(res.code==0){
          this.$message.info('该用户已存在！')
        }
          else{
            alert("添加失败！");
          }
          // 隐藏添加用户的对话框
          this.addDialogVisible = false
          // 重新获取用户列表数据
          this.getUserList()
      
      },
      // 展示编辑用户的对话框
      async showEditDialog(obj) {
        console.log(obj)
        this.editForm = obj
        this.editDialogVisible = true
      },
      // 监听修改用户对话框的关闭事件
      editDialogClosed() {
        this.$refs.editFormRef.resetFields()
      },
      // 修改用户信息并提交
     async editUserInfo() {
          // 发起修改用户信息的数据请求
          const { data: res } = await this.$http.get('updateWord',
            {
              params:this.editForm
            })
  
          console.log(res)
          // if (res.meta.status !== 200) {
          //   return this.$message.error('更新用户信息失败！')
          // }
  
          // 关闭对话框
          this.editDialogVisible = false
          // 刷新数据列表
          this.getUserList()
          // 提示修改成功
          this.$message.success('更新用户信息成功！')
       
      },
      // 根据Id删除对应的用户信息
      async removeUserById(word_id) {
        // 弹框询问用户是否删除数据
        const confirmResult = await this.$confirm(
          '此操作将永久删除该公告, 是否继续?',
          '提示',
          {
            confirmButtonText: '确定',
            cancelButtonText: '取消',
            type: 'warning'
          }
        ).catch(err => err)
  
        // 如果用户确认删除，则返回值为字符串 confirm
        // 如果用户取消了删除，则返回值为字符串 cancel
        // console.log(confirmResult)
        if (confirmResult !== 'confirm') {
          return this.$message.info('已取消删除')
        }
        const res = await this.$http.get('delWord',{params:{
          word_id
        }})
        console.log(res)
          // return this.$message.error('删除用户失败！')
  
        this.$message.success('删除公告成功！')
        this.getUserList()
      },
      
      // 搜索
      async getUserSearch(){
         const { data: res } = await this.$http.get('search',{params:{
          user:this.searchQuery
        }})
        console.log(res.data)
        this.userlist = res.data
      }
      
    }
  }
  </script>
  
  <style lang="less" scoped>
  </style>
  